glow button effect

                                          @-webkit-keyframes glowPulse {
    from {
        background-color: #749a02;
        -webkit-box-shadow: 0 0 10px #b6b6b6;
    }
    50% {
        background-color: #91bd09;
        -webkit-box-shadow: 0 0 20px #fff;
    }
    to {
        background-color: #749a02;
        -webkit-box-shadow: 0 0 10px #b6b6b6;
    }
}
 .pulse {
    -webkit-animation-name: glowPulse;
    -webkit-animation-duration: 1s;
    -webkit-animation-iteration-count: infinite;
}